Fujitsu Halcyon XLTH Review: Full Heat at 3°F, Operation to -15°F
Fujitsu's XLTH series holds rated heating capacity to 3°F and keeps running to -15°F, with wall, floor and slim-duct indoor…
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Rheem ProTerra Hybrid Water Heater Review: Up to 4.07 UEF and a 120V Option
The ProTerra reaches up to about 4.07 UEF, roughly a quarter of the electricity a resistance tank uses, and its…
Lennox SL25XPV Heat Pump Review: The Quietest Flagship, at a Flagship Price
Lennox's SL25XPV is the quietest full-size ducted heat pump in its class and one of the most efficient, especially on…
Senville AURA Mini-Split Review: Cold-Climate Ductless on a Budget
The AURA claims heating down to -22°F and up to about 22 SEER2 for far less than name-brand ductless, but…
The Most Efficient Heat Pumps of 2026, Ranked by SEER2 and HSPF2
Eight of the highest-rated heat pumps you can buy in 2026, ranked by published SEER2 and HSPF2, with a spec…
MRCOOL DIY Mini-Split Review: The Only Heat Pump You Can Install Yourself
MRCOOL's pre-charged Quick Connect line sets let a handy homeowner install a real inverter mini-split without a refrigerant license, saving…
The Quietest Heat Pumps of 2026: 7 Low-Decibel Picks, Indoors and Out
Seven of the quietest heat pumps you can buy in 2026, with published outdoor and indoor dB ratings, an explanation…
Rheem Endeavor Prestige RP20 Review: Variable-Speed Value With a Real Warranty
Rheem's RP20 pairs roughly 20 SEER2 and 10 HSPF2 with EcoNet connectivity and a 10-year conditional unit replacement warranty, making…
Ducted vs Ductless Heat Pumps: Efficiency, Zoning, Cost and Which Fits Your Home
Central ducted heat pumps win for whole-home comfort on existing ducts; ductless mini-splits win on efficiency and zoning where there…
Heat Pump vs Gas Furnace: Operating Cost Math, Cold Weather, Emissions and What to Buy in 2026
At 2026 average prices a heat pump beats a 96% furnace on running cost above a COP of about 3.2.…
Heat Pump vs Air Conditioner: What Is Different, What It Costs, and Which to Buy
A heat pump is an air conditioner that can run in reverse. It costs about $1,000–$3,000 more and pays off…
Goodman vs Lennox Heat Pumps: Value Brand vs Premium Brand Compared
Goodman's inverter GSZV9 delivers most of the Lennox SL25XPV's efficiency for thousands less. Lennox is quieter and slightly more efficient,…